/*
 * Copyright 1999-2021 Alibaba Group Holding Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.alibaba.fastffi.llvm;

import java.util.Iterator;
import java.util.function.IntFunction;
import java.util.function.IntSupplier;

public class IntIterable<T> implements Iterable<T> {

    IntSupplier total;
    IntFunction<T> get;

    public IntIterable(IntSupplier total, IntFunction<T> get) {
        this.total = total;
        this.get = get;
    }

    @Override
    public Iterator<T> iterator() {
        return new Iterator<T>() {
            int current = 0;
            int end = IntIterable.this.total.getAsInt();
            @Override
            public boolean hasNext() {
                return current < end;
            }

            @Override
            public T next() {
                return get.apply(current ++);
            }
        };
    }
}
